(16S)-20-Ethyl-1α,16-dimethoxy-4-methylaconitane-8,14α-diol

An aconitine alkaloid, sachaconitine occurs in the roots of Aconitum miyabei Nakai. It crystallizes as colourless needles from EtOH and is laevorotatory with a specific rotation of [α]D20 -13.1° (c 2.35, 95% EtOH).